Throttling Device of Air Conditioning | ChinaSupplyHub – High-Performance Expansion Valves & Capillary Tubes for HVAC Systems

Description

At ChinaSupplyHub , we specialize in supplying premium-quality throttling devices used in air conditioning and refrigeration systems , including thermal expansion valves (TXV), capillary tubes, and electronic expansion valves (EEV) . These essential components are sourced directly from verified Chinese manufacturers trusted by global OEMs in the HVAC, automotive climate control, and industrial cooling sectors .

Engineered for precise refrigerant flow control, energy efficiency, and long-term reliability , our throttling devices meet international quality standards — making them suitable for use in:

• Residential split and window air conditioners
• Commercial HVAC systems (VRF, VRV, central AC)
• Industrial chillers and cold storage facilities
• Automotive air conditioning units
• Heat pumps and dehumidification equipment

As your trusted B2B partner between China and Russia , we ensure every throttling unit undergoes strict inspections for flow regulation accuracy, pressure drop performance, temperature sensitivity, and compatibility with R32, R410A, R22, and other refrigerants before shipment. Our team collaborates exclusively with top-tier factories already supplying to major global HVAC brands — so you can be confident you’re receiving OEM-standard metering components without risk or uncertainty.

In today’s complex geopolitical climate, securing reliable access to critical HVAC components like throttling devices is more important than ever. At ChinaSupplyHub, we’ve built a sanction-compliant, fully structured trade network that allows Russian businesses to import high-quality expansion valves and refrigerant flow regulators seamlessly — without delays, payment restrictions, or communication barriers.

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✅ Why Choose ChinaSupplyHub for Throttling Devices?

1. Verified Manufacturers
   We only work with vetted suppliers who supply to leading global HVAC and automotive brands — ensuring consistent quality and reducing procurement risks.
2. Quality Assurance
   Every throttling device is thoroughly tested for refrigerant metering precision, response time, pressure tolerance, and thermal stability , meeting or exceeding ISO 9001, IEC 60335, and ASHRAE standards.
3. Sanction-Free Trade Network
   With access to VTB Bank accounts and direct factory partnerships in China, we offer seamless payment processing and logistics tailored for Russian B2B clients.
4. Full Support Services
   From product sourcing and supplier quality management (SQM) to customs clearance and after-sales support, we provide full transparency and assistance at every stage of the procurement process.
5. Cost-Effective Solutions
   By working directly with manufacturers, we eliminate intermediaries and pass on competitive pricing — helping you reduce costs while maintaining system performance and customer satisfaction.

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⚙️ What Is a Throttling Device in an Air Conditioning System?

A throttling device , also known as an expansion device , is a critical component in the refrigeration cycle , responsible for regulating the flow of refrigerant into the evaporator coil . It ensures optimal cooling performance by controlling pressure drop and superheat levels.

Key Features:

• Available in various types including:
  • Thermal Expansion Valves (TXV / TEV)
  • Capillary Tubes
  • Electronic Expansion Valves (EEV)
  • Automatic Expansion Valves (AEV)
• Designed for high flow precision, low pressure loss, and compatibility with modern refrigerants
• Used in applications requiring accurate temperature control, energy savings, and system protection

Common Uses Across Industries:

• Replacement and repair of residential AC units
• Servicing commercial and industrial HVAC systems
• Installation in new air conditioning production lines
• Automotive climate control systems
• Cold chain logistics and data center cooling solutions

They are compatible with a wide range of platforms such as:

• Daikin, Mitsubishi Electric, Fujitsu General systems
• LG and Samsung residential/commercial AC units
• Carrier, Trane, and YORK HVAC systems
• Local Russian and CIS HVAC brands
• Automotive AC systems for passenger cars and commercial vehicles

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💼 Who Can Benefit From Our Throttling Device Components?

Whether you’re:

• Running an authorized HVAC repair center or independent workshop
• Managing a spare parts distribution business for air conditioning systems
• Distributing components across Russia and CIS countries
• Manufacturing or repairing residential, commercial, or industrial cooling systems
• Supporting DIY repair kits or technical training programs

ChinaSupplyHub offers:

💰 Competitive Pricing
🚚 Fast, Reliable Delivery via Multiple Logistics Channels
📞 Dedicated Multilingual Support in Russian, English, and Chinese
📋 End-to-End Service — from Product Selection to Customs Clearance